Shell scripts can automatically access variables created and assigned on the command line.
Answer the following statement true (T) or false (F)
False
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Charging by superheat is performed on systems that use a _____.
a. fixed-orifice metering device b. thermostatic expansion valve c. sight glass d. thermal-electric expansion valve
The ____________________ is a systematic process of gaining knowledge through experimentation.
Fill in the blank(s) with the appropriate word(s).
When the evaporator on a low pressure chiller has a small leak
A) air leaks into the evaporator since it is in a vacuum B) an external application of leak tight adhesive will correct it C) refrigerant escapes slowly from the leak, reducing the charge D) it can be ignored because chillers hold a lot of refrigerant
Which programming language is considered a low-level language suited for small programs and fast execution?
A. Function Block Diagram B. Instruction List C. Ladder Diagram D. Sequential Function Chart